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uniform int object_id = 0;
layout(std140) uniform material_block {
MaterialData material_data;
};
#ifdef OB_TEXTURE
uniform sampler2D image;
#endif
#ifdef NORMAL_VIEWPORT_PASS_ENABLED
in vec3 position_viewport;
in vec3 normal_viewport;
#endif /* NORMAL_VIEWPORT_PASS_ENABLED */
#ifdef OB_TEXTURE
in vec2 uv_interp;
#endif /* OB_TEXTURE */
#ifdef HAIR_SHADER
flat in float hair_rand;
#endif
layout(location=0) out uint objectId;
layout(location=1) out vec4 diffuseColor;
layout(location=2) out vec4 specularColor;
#ifdef NORMAL_VIEWPORT_PASS_ENABLED
#ifdef WORKBENCH_ENCODE_NORMALS
layout(location=3) out vec2 normalViewport;
#else /* WORKBENCH_ENCODE_NORMALS */
layout(location=3) out vec3 normalViewport;
#endif /* WORKBENCH_ENCODE_NORMALS */
#endif /* NORMAL_VIEWPORT_PASS_ENABLED */
void main()
{
objectId = uint(object_id);
#ifdef OB_SOLID
diffuseColor = vec4(material_data.diffuse_color.rgb, 0.0);
#endif /* OB_SOLID */
#ifdef OB_TEXTURE
diffuseColor = texture(image, uv_interp);
#endif /* OB_TEXTURE */
#ifdef HAIR_SHADER
float hair_color_variation = hair_rand * 0.1;
diffuseColor.rgb = clamp(diffuseColor.rgb - hair_color_variation, 0.0, 1.0);
#endif
#ifdef V3D_SHADING_SPECULAR_HIGHLIGHT
specularColor = vec4(material_data.specular_color.rgb, material_data.roughness);
#ifdef HAIR_SHADER
specularColor.rgb = clamp(specularColor.rgb - hair_color_variation, 0.0, 1.0);
#endif
#endif
#ifdef NORMAL_VIEWPORT_PASS_ENABLED
vec3 n = (gl_FrontFacing) ? normal_viewport : -normal_viewport;
n = normalize(n);
# ifdef WORKBENCH_ENCODE_NORMALS
diffuseColor.a = float(gl_FrontFacing);
normalViewport = normal_encode(n);
# else /* WORKBENCH_ENCODE_NORMALS */
normalViewport = n;
# endif /* WORKBENCH_ENCODE_NORMALS */
# ifdef HAIR_SHADER
diffuseColor.a = 0.5;
# endif
#endif /* NORMAL_VIEWPORT_PASS_ENABLED */
}
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